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new: container stats (#272)

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lollipopkit
2024-02-20 15:00:13 +08:00
parent 483bf51c2f
commit 828752e354
19 changed files with 284 additions and 145 deletions
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2
lib/data/model/app/error.dart
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@@ -40,7 +40,7 @@ enum ContainerErrType {
invalidVersion,
cmdNoPrefix,
segmentsNotMatch,
parsePsItem,
parsePs,
parseImages,
parseStats,
}

45
lib/data/model/container/ps.dart
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@@ -1,5 +1,7 @@
import 'dart:convert';
import 'package:toolbox/core/extension/context/locale.dart';
import 'package:toolbox/core/extension/numx.dart';
import 'package:toolbox/data/model/container/type.dart';
abstract final class ContainerPs {
@@ -9,7 +11,14 @@ abstract final class ContainerPs {
String? get cmd;
bool get running;
String? cpu;
String? mem;
String? net;
String? disk;
factory ContainerPs.fromRawJson(String s, ContainerType typ) => typ.ps(s);
void parseStats(String s);
}
final class PodmanPs implements ContainerPs {
@@ -23,6 +32,11 @@ final class PodmanPs implements ContainerPs {
final List<String>? names;
final int? startedAt;
String? cpu;
String? mem;
String? net;
String? disk;
PodmanPs({
this.command,
this.created,
@@ -42,6 +56,23 @@ final class PodmanPs implements ContainerPs {
@override
bool get running => exited != true;
@override
void parseStats(String s) {
final stats = json.decode(s);
final cpuD = (stats['CPU'] as double? ?? 0).toStringAsFixed(1);
final cpuAvgD = (stats['AvgCPU'] as double? ?? 0).toStringAsFixed(1);
cpu = '$cpuD% / ${l10n.pingAvg} $cpuAvgD%';
final memLimit = (stats['MemLimit'] as int? ?? 0).bytes2Str;
final memUsage = (stats['MemUsage'] as int? ?? 0).bytes2Str;
mem = '$memUsage / $memLimit';
final netIn = (stats['NetInput'] as int? ?? 0).bytes2Str;
final netOut = (stats['NetOutput'] as int? ?? 0).bytes2Str;
net = '↓ $netIn / ↑ $netOut';
final diskIn = (stats['BlockInput'] as int? ?? 0).bytes2Str;
final diskOut = (stats['BlockOutput'] as int? ?? 0).bytes2Str;
disk = '${l10n.read} $diskOut / ${l10n.write} $diskIn';
}
factory PodmanPs.fromRawJson(String str) =>
PodmanPs.fromJson(json.decode(str));
@@ -84,6 +115,11 @@ final class DockerPs implements ContainerPs {
final String? names;
final String? state;
String? cpu;
String? mem;
String? net;
String? disk;
DockerPs({
this.command,
this.createdAt,
@@ -102,6 +138,15 @@ final class DockerPs implements ContainerPs {
@override
bool get running => state == 'running';
@override
void parseStats(String s) {
final stats = json.decode(s);
cpu = stats['CPUPerc'];
mem = stats['MemUsage'];
net = stats['NetIO'];
disk = stats['BlockIO'];
}
factory DockerPs.fromRawJson(String str) =>
DockerPs.fromJson(json.decode(str));

64
lib/data/model/container/version.dart
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@@ -1,64 +0,0 @@
import 'dart:convert';
class Containerd {
final ContainerdClient client;
Containerd({
required this.client,
});
factory Containerd.fromRawJson(String str) =>
Containerd.fromJson(json.decode(str));
String toRawJson() => json.encode(toJson());
factory Containerd.fromJson(Map<String, dynamic> json) => Containerd(
client: ContainerdClient.fromJson(json["Client"]),
);
Map<String, dynamic> toJson() => {
"Client": client.toJson(),
};
}
class ContainerdClient {
final String apiVersion;
final String version;
final String goVersion;
final String gitCommit;
final String builtTime;
final String os;
ContainerdClient({
required this.apiVersion,
required this.version,
required this.goVersion,
required this.gitCommit,
required this.builtTime,
required this.os,
});
factory ContainerdClient.fromRawJson(String str) =>
ContainerdClient.fromJson(json.decode(str));
String toRawJson() => json.encode(toJson());
factory ContainerdClient.fromJson(Map<String, dynamic> json) =>
ContainerdClient(
apiVersion: json["ApiVersion"],
version: json["Version"],
goVersion: json["GoVersion"],
gitCommit: json["GitCommit"],
builtTime: json["BuildTime"],
os: json["Os"],
);
Map<String, dynamic> toJson() => {
"ApiVersion": apiVersion,
"Version": version,
"GoVersion": goVersion,
"GitCommit": gitCommit,
"BuildTime": builtTime,
"Os": os,
};
}

113
lib/data/provider/container.dart
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@@ -1,14 +1,15 @@
import 'dart:async';
import 'dart:convert';
import 'package:dartssh2/dartssh2.dart';
import 'package:flutter/material.dart';
import 'package:toolbox/core/extension/listx.dart';
import 'package:toolbox/core/extension/ssh_client.dart';
import 'package:toolbox/data/model/app/shell_func.dart';
import 'package:toolbox/data/model/container/image.dart';
import 'package:toolbox/data/model/container/ps.dart';
import 'package:toolbox/data/model/app/error.dart';
import 'package:toolbox/data/model/container/type.dart';
import 'package:toolbox/data/model/container/version.dart';
import 'package:toolbox/data/res/logger.dart';
import 'package:toolbox/data/res/store.dart';
import 'package:toolbox/core/extension/uint8list.dart';
@@ -74,14 +75,20 @@ class ContainerProvider extends ChangeNotifier {
final sudo =
await _requiresSudo() && Stores.setting.containerTrySudo.fetch();
final includeStats = Stores.setting.containerParseStat.fetch();
await client?.execWithPwd(
_wrap(ContainerCmdType.execAll(type, sudo: sudo)),
final code = await client?.execWithPwd(
_wrap(ContainerCmdType.execAll(
type,
sudo: sudo,
includeStats: includeStats,
)),
context: context,
onStdout: (data, _) => raw = '$raw$data',
);
if (raw.contains(_dockerNotFound)) {
/// Code 127 means command not found
if (code == 127 || raw.contains(_dockerNotFound)) {
error = ContainerErr(type: ContainerErrType.notInstalled);
notifyListeners();
return;
@@ -99,12 +106,10 @@ class ContainerProvider extends ChangeNotifier {
return;
}
// Parse docker version
// Parse version
final verRaw = ContainerCmdType.version.find(segments);
debugPrint('version raw = $verRaw\n');
try {
final containerVersion = Containerd.fromRawJson(verRaw);
version = containerVersion.client.version;
version = json.decode(verRaw)['Client']['Version'];
} catch (e, trace) {
error = ContainerErr(
type: ContainerErrType.invalidVersion,
@@ -115,14 +120,23 @@ class ContainerProvider extends ChangeNotifier {
notifyListeners();
}
// Parse docker ps
// Parse ps
final psRaw = ContainerCmdType.ps.find(segments);
try {
final lines = psRaw.split('\n');
lines.removeWhere((element) => element.isEmpty);
items = lines.map((e) => ContainerPs.fromRawJson(e, type)).toList();
} catch (e, trace) {
error = ContainerErr(
type: ContainerErrType.parsePs,
message: '$e',
);
Loggers.parse.warning('Container ps failed', e, trace);
} finally {
notifyListeners();
}
final lines = psRaw.split('\n');
lines.removeWhere((element) => element.isEmpty);
items = lines.map((e) => ContainerPs.fromRawJson(e, type)).toList();
// Parse docker images
// Parse images
final imageRaw = ContainerCmdType.images.find(segments);
try {
final imgLines = imageRaw.split('\n');
@@ -138,29 +152,31 @@ class ContainerProvider extends ChangeNotifier {
notifyListeners();
}
// Parse docker stats
// final statsRaw = DockerCmdType.stats.find(segments);
// try {
// final statsLines = statsRaw.split('\n');
// statsLines.removeWhere((element) => element.isEmpty);
// if (statsLines.isNotEmpty) statsLines.removeAt(0);
// for (var item in items!) {
// final statsLine = statsLines.firstWhere(
// (element) => element.contains(item.containerId),
// orElse: () => '',
// );
// if (statsLine.isEmpty) continue;
// item.parseStats(statsLine);
// }
// } catch (e, trace) {
// error = DockerErr(
// type: DockerErrType.parseStats,
// message: '$e',
// );
// _logger.warning('Parse docker stats: $statsRaw', e, trace);
// } finally {
// notifyListeners();
// }
// Parse stats
final statsRaw = ContainerCmdType.stats.find(segments);
try {
final statsLines = statsRaw.split('\n');
statsLines.removeWhere((element) => element.isEmpty);
for (var item in items!) {
final id = item.id;
if (id == null) continue;
final statsLine = statsLines.firstWhereOrNull(
/// Use 5 characters to match the container id, possibility of mismatch
/// is very low.
(element) => element.contains(id.substring(0, 5)),
);
if (statsLine == null) continue;
item.parseStats(statsLine);
}
} catch (e, trace) {
error = ContainerErr(
type: ContainerErrType.parseStats,
message: '$e',
);
Loggers.parse.warning('Parse docker stats: $statsRaw', e, trace);
} finally {
notifyListeners();
}
}
Future<ContainerErr?> stop(String id) async => await run('stop $id');
@@ -223,21 +239,32 @@ const _jsonFmt = '--format "{{json .}}"';
enum ContainerCmdType {
version,
ps,
//stats,
stats,
images,
;
String exec(ContainerType type, {bool sudo = false}) {
String exec(
ContainerType type, {
bool sudo = false,
bool includeStats = false,
}) {
final prefix = sudo ? 'sudo -S ${type.name}' : type.name;
return switch (this) {
ContainerCmdType.version => '$prefix version $_jsonFmt',
ContainerCmdType.ps => '$prefix ps -a $_jsonFmt',
// DockerCmdType.stats => '$prefix stats --no-stream';
ContainerCmdType.stats =>
includeStats ? '$prefix stats --no-stream $_jsonFmt' : 'echo PASS',
ContainerCmdType.images => '$prefix image ls $_jsonFmt',
};
}
static String execAll(ContainerType type, {bool sudo = false}) => values
.map((e) => e.exec(type, sudo: sudo))
.join(' && echo $seperator && ');
static String execAll(
ContainerType type, {
bool sudo = false,
bool includeStats = false,
}) {
return ContainerCmdType.values
.map((e) => e.exec(type, sudo: sudo))
.join(' && echo $seperator && ');
}
}

3
lib/data/store/setting.dart
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@@ -233,6 +233,9 @@ class SettingStore extends PersistentStore {
/// Keep previous server status when err occurs
late final keepStatusWhenErr = property('keepStatusWhenErr', false);
/// Parse container stat
late final containerParseStat = property('containerParseStat', true);
// Never show these settings for users
//
// ------BEGIN------